From a company's perspective here, they need to target the most common denominator. This means looking at various cohorts of users and determining a pricing mod

From a company's perspective here, they need to target the most common denominator. This means looking at various cohorts of users and determining a pricing model for the average duration those cohorts continue to pay for the service. However, coming up with some number X prices for various cohorts is not particularly useful, since simply introducing choice confuses some users and causes drop-off, let alone optimizing those choices and explaining them.